Career
Walker"s International Skating Union Junior Grand Prix debut came in September 2007. He placed 20th at the Tallinn Cup in Estonia. In the 2007-2008 season, he was coached by Heinz Wirz in Sion and Bern, Switzerland.
By the 2009-2010 season, Walker was training under Myriam Loriol-Oberwiler in Neuchâtel.
He was sent to the 2010 World Junior Championships in The Hague but was eliminated after placing 30th in the short program In January 2011, Walker appeared at his first senior International Skating Union Championship, the European Championships in Bern, and qualified for the final segment.
He placed 10th in the preliminary round, 24th in the short program, 24th in the free skate, and 24th overall. At the 2013 Europeans in Zagreb, Croatia, he ranked 24th in the short, 17th in the free, and 20th overall.
In September 2013, Walker competed at the Nebelhorn Trophy, the last qualifying opportunity for the 2014 Winter Olympics, but his placement, 15th, was insufficient to earn a spot in Sochi, Russia.
Later in the season he reached the free skate at two International Skating Union Championships – he finished 17th at the 2014 Europeans in January in Budapest, Hungary, and 23rd at the 2014 Worlds in March in Saitama, Japan. Walker had surgery on his right foot in June 2014 and spent ten weeks in a cast. He resumed training in mid-November 2014.
He competed at the 2015 Europeans in Stockholm and 2015 Worlds in Shanghai but missed the cut for the free skate at both events.
By December 2015, Walker was training under Franca Bianconi and Rosanna Murante in Sesto San Giovanni, Italy. At the 2015 Europeans in Bratislava, he placed 22nd in the short, 18th in the free, and 19th overall.
CS: Challenger Series. JGP: Junior Grand Prix.